commit updated code strucutre

Author: frisitano

Cargo.lock

@@ -12,7 +12,7 @@ members = [
     "crates/node",
     "crates/network",
     "crates/scroll-wire",
-    "crates/primitives", "crates/l1", "crates/database"]
+    "crates/primitives", "crates/l1", "crates/database", "crates/indexer", "crates/sequencer", "crates/pipeline", "crates/provider"]
 
 resolver = "2"
 
@@ -111,6 +111,7 @@ alloy-primitives = { version = "0.8.15", default-features = false }
 alloy-rpc-types-engine = { version = "0.11.0", default-features = false }
 
 # scroll-alloy
+scroll-alloy-rpc-types-engine = { git = "https://github.com/scroll-tech/reth.git", branch = "feat/add-deref-blanket-engine-api" }
 scroll-alloy-provider = { git = "https://github.com/scroll-tech/reth.git", branch = "feat/add-deref-blanket-engine-api" }
 scroll-alloy-network = { git = "https://github.com/scroll-tech/reth.git", branch = "feat/add-deref-blanket-engine-api" }
 
@@ -132,6 +133,8 @@ reth-scroll-primitives = { git = "https://github.com/scroll-tech/reth.git", bran
 
 # rollup node
 scroll-engine = { path = "crates/engine" }
+scroll-indexer = { path = "crates/indexer" }
+scroll-l1 = { path = "crates/l1" }
 scroll-network = { path = "crates/network" }
 scroll-primitives = { path = "crates/primitives" }
 scroll-wire = { path = "crates/scroll-wire" }

Cargo.toml

@@ -1 +1 @@
-
+pub struct Database;

crates/database/src/lib.rs

@@ -19,7 +19,7 @@ alloy-rpc-types-engine.workspace = true
 # scroll-alloy
 scroll-alloy-network.workspace = true
 scroll-alloy-provider.workspace = true
-scroll-alloy-rpc-types-engine = { git = "https://github.com/scroll-tech/reth.git", branch = "feat/add-deref-blanket-engine-api" }
+scroll-alloy-rpc-types-engine.workspace = true
 
 # reth
 reth-engine-primitives = { git = "https://github.com/scroll-tech/reth.git", branch = "feat/add-deref-blanket-engine-api", default-features = false, features = ["scroll"] }

crates/engine/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "scroll-indexer"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+exclude.workspace = true
+
+[dependencies]
+# rollup-node
+scroll-l1.workspace = true
+scroll-primitives.workspace = true
+
+[lints]
+workspace = true

crates/indexer/Cargo.toml

@@ -0,0 +1,37 @@
+//! A library responsible for indexing data relevant to the L1.
+
+use scroll_l1::L1Event;
+use scroll_primitives::{BatchInput, L1Message};
+use std::sync::Arc;
+
+/// The indexer is responsible for indexing data relevant to the L1.
+#[derive(Debug)]
+pub struct Indexer;
+
+impl Indexer {
+    /// Handles an event from the L1.
+    pub async fn handle_l1_event(&mut self, event: L1Event) {
+        match event {
+            L1Event::CommitBatch(batch_input) => self.handle_batch_input(batch_input).await,
+            L1Event::Reorg(block_number) => self.handle_reorg(block_number).await,
+            L1Event::Finalized(block_number) => self.handle_finalized(block_number).await,
+            L1Event::L1Message(l1_message) => self.handle_l1_message(l1_message).await,
+        }
+    }
+
+    async fn handle_reorg(&mut self, _block_number: u64) {
+        todo!()
+    }
+
+    async fn handle_finalized(&mut self, _block_number: u64) {
+        todo!()
+    }
+
+    async fn handle_l1_message(&mut self, _l1_message: Arc<L1Message>) {
+        todo!()
+    }
+
+    async fn handle_batch_input(&mut self, _batch_input: Arc<BatchInput>) {
+        todo!()
+    }
+}

crates/indexer/src/lib.rs

@@ -1,5 +1,5 @@
 [package]
-name = "l1"
+name = "scroll-l1"
 version.workspace = true
 edition.workspace = true
 rust-version.workspace = true

crates/l1/Cargo.toml

@@ -4,8 +4,8 @@ use alloy_primitives::{address, Address};
 
 /// The address of the L1 Message Queue contract on mainnet.
 pub const MAINNET_L1_MESSAGE_QUEUE_ADDRESS: Address =
-    address!("00000000000000000000000000000000000");
+    address!("0000000000000000000000000000000000000000");
 
 /// The address of the Scroll Chain contract on mainnet.
 pub const MAINNET_L1_SCROLL_CHAIN_ADDRESS: Address =
-    address!("00000000000000000000000000000000000");
+    address!("0000000000000000000000000000000000000000");

crates/l1/src/constants.rs

@@ -0,0 +1,15 @@
+use scroll_primitives::{BatchInput, L1Message};
+use std::sync::Arc;
+
+/// An observation from the L1.
+#[derive(Debug)]
+pub enum L1Event {
+    /// A new batch input has been committed to L1 with the given [`BatchInput`].
+    CommitBatch(Arc<BatchInput>),
+    /// A new [`L1Message`] has been added to the L1 message queue.
+    L1Message(Arc<L1Message>),
+    /// A reorg has occurred at the given block number.
+    Reorg(u64),
+    /// The L1 has been finalized at the given block number.
+    Finalized(u64),
+}